Errors building on Windows... about imgui

[DickyQi]

If you wanna imgui support vulkan shader, then you need install vulkan sdk for windows and install glslang in mingw environment. You can use following command in mingw64 env:
#pacman -S mingw-w64-x86_64-glslang mingw-w64-x86_64-spirv-headers mingw-w64-x86_64-spirv-tools mingw-w64-x86_64-vulkan-headers mingw-w64-x86_64-vulkan-loader

Vulkan SDK installation please goto LunarXchange

If you only need widgets, just disable vulkan shader build at Cmake configure.
Sorry for incomplete documentation, we will supplement later.

[DickyQi]

for GL support, please install glfw and glew
#pacman -S mingw-w64-x86_64-glew mingw-w64-x86_64-glfw
for SDL support, please install SDL and SDL-image
#pacman -S mingw-w64-x86_64-SDL2 mingw-w64-x86_64-SDL2_image
other dependence such as truetype, openmp, ncurses
#pacman -S mingw-w64-x86_64-freetype mingw-w64-x86_64-gmp mingw-w64-x86_64-ncurses
please try it again.

[DickyQi]

@moebiussurfing which env you are using for Cmake configure? is msys2 for mingw64? We test it only for mingw64 env, Maybe you need check it.

[DickyQi]

@moebiussurfing We are easily using VS code + Cmake + mingw32 + make. In Windows, we also set mingw64/bin into PATH env value, just FYI.

[moebiussurfing]

Thanks.
I did the above steps, but I am getting this error:

-- Checking for one of the modules 'gl'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'gl' found
Call Stack (most recent call first):
  CMakeLists.txt:162 (pkg_search_module)

I searched the error without success, probably needs to install some GL installer?

moebiussurfing@surfingMachine MINGW64 ~
$ cd /d/_CODE/_C/imgui

moebiussurfing@surfingMachine MINGW64 /d/_CODE/_C/imgui
$ mkdir build

moebiussurfing@surfingMachine MINGW64 /d/_CODE/_C/imgui
$ cd build

moebiussurfing@surfingMachine MINGW64 /d/_CODE/_C/imgui/build
$ cmake ..
-- The C compiler identification is GNU 12.1.0
-- The CXX compiler identification is GNU 12.1.0
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
-- Detecting C compiler ABI info
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
-- Detecting C compiler ABI info - done
-- Check for working C compiler: /mingw64/bin/cc.exe - skipped
-- Detecting C compile features
-- Detecting C compile features - done
-- Detecting CXX compiler ABI info
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
-- Detecting CXX compiler ABI info - done
-- Check for working CXX compiler: /mingw64/bin/CC.exe - skipped
-- Detecting CXX compile features
-- Detecting CXX compile features - done
-- Found PkgConfig: /mingw64/bin/pkg-config.exe (found version "1.8.0")
-- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_glx_LIBRARY)
-- Could NOT find Vulkan (missing: Vulkan_LIBRARY)
-- Checking for one of the modules 'zlib'
zlib found
-- Checking for one of the modules 'glew'
-- Checking for one of the modules 'glfw3'
-- Checking for one of the modules 'vulkan'
vulkan found
-- Checking for one of the modules 'gl'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'gl' found
Call Stack (most recent call first):
  CMakeLists.txt:162 (pkg_search_module)


-- Checking for one of the modules 'freetype2'
freetype found
-- Checking for one of the modules 'sdl2'
sdl2 found
--     [ImGui with GLEW support]
--     [ImGui with SDL2 support]
--     [ImGui backend rendering with Vulkan]
--     [ImGui backend platform with SDL2]
--     [ImGui backend platform with GLFW]
--     [ImGui Internal UTF-8 Font] WeiHei
--     [ImGui Internal Latin Font] MonoNarrow
-- Found Vulkan: vulkan
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
-- Found OpenMP_C: -fopenmp (found version "4.5")
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
-- Found OpenMP_CXX: -fopenmp (found version "4.5")
-- Found OpenMP: TRUE (found version "4.5")
-- VkShader Use OpenMP
-- Found Glslang: /mingw64/lib/libglslang.a
-- Looking for pthread.h
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
-- Looking for pthread.h - found
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD
System is unknown to cmake, create:
Platform/MINGW64_NT-10.0-19044 to use this system, please post your config file on discourse.cmake.org so it can be added to cmake
-- Performing Test CMAKE_HAVE_LIBC_PTHREAD - Success
-- Found Threads: TRUE
-- Found SpirvTools: /mingw64/include
-- VkShader Found system glslang library
-- VkShader Found system SPIRV library
-- VkShader Found system SPRIV-Tools library
--     [ImGui application platform with SDL2]
--     [ImGui application rendering with Vulkan]
-- Configuring incomplete, errors occurred!
See also "/d/_CODE/_C/imgui/build/CMakeFiles/CMakeOutput.log".

[moebiussurfing]

PS:
I tried this but getting the same error
pacman -Ss glew
and
$ pacman -S mingw-w64-x86_64-glew

[moebiussurfing]

Hey, sorry to still boring you again,
but I'm still getting errors after all the steps.
I keep tuned to the README for updates on the installation info, (if that's the case)
Thanks for sharing!
I'll try again.

moebiussurfing@surfingMachine MSYS /d/_CODE/_C/imgui/build
$ cmake ..
-- Target arch: x86
-- Could NOT find OpenGL (missing: OPENGL_opengl_LIBRARY OPENGL_glx_LIBRARY)
-- Could NOT find Vulkan (missing: Vulkan_LIBRARY)
-- Checking for one of the modules 'zlib'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'zlib' found
Call Stack (most recent call first):
  CMakeLists.txt:138 (pkg_search_module)


-- Checking for one of the modules 'glew'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'glew' found
Call Stack (most recent call first):
  CMakeLists.txt:143 (pkg_search_module)


-- Checking for one of the modules 'glfw3'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'glfw3' found
Call Stack (most recent call first):
  CMakeLists.txt:146 (pkg_search_module)


-- Checking for one of the modules 'vulkan'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'vulkan' found
Call Stack (most recent call first):
  CMakeLists.txt:155 (pkg_search_module)


-- Checking for one of the modules 'gl'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'gl' found
Call Stack (most recent call first):
  CMakeLists.txt:162 (pkg_search_module)


-- Checking for one of the modules 'freetype2'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'freetype2' found
Call Stack (most recent call first):
  CMakeLists.txt:168 (pkg_search_module)


-- Checking for one of the modules 'sdl2'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'sdl2' found
Call Stack (most recent call first):
  CMakeLists.txt:173 (pkg_search_module)


--     [ImGui Internal UTF-8 Font] WeiHei
--     [ImGui Internal Latin Font] MonoNarrow
-- Could NOT find Vulkan (missing: Vulkan_LIBRARY)
-- Target arch: x86
-- VkShader Use OpenMP
-- Checking for one of the modules 'vulkan'
CMake Error at /usr/share/cmake-3.22.1/Modules/FindPkgConfig.cmake:890 (message):
  None of the required 'vulkan' found
Call Stack (most recent call first):
  addon/ImVulkanShader/CMakeLists.txt:80 (pkg_search_module)


-- Could NOT find Glslang (missing: Glslang_LIBRARY Glslang_SPIRV_LIBRARY Glslang_INCLUDE_DIR)
-- Could NOT find SpirvTools (missing: SpirvTools_LIBRARY SpirvTools_INCLUDE_DIR)
-- VkShader Found system glslang library
-- VkShader Found system SPRIV-Tools library
CMake Warning at CMakeLists.txt:1071 (message):
  No Application Backend Found! IMGUI_APPS will be turned off.


-- Configuring incomplete, errors occurred!
See also "/d/_CODE/_C/imgui/build/CMakeFiles/CMakeOutput.log".